diff options
Diffstat (limited to 'miext/rootless/accel')
-rw-r--r-- | miext/rootless/accel/rlAccel.c | 97 | ||||
-rw-r--r-- | miext/rootless/accel/rlAccel.h | 2 |
2 files changed, 99 insertions, 0 deletions
diff --git a/miext/rootless/accel/rlAccel.c b/miext/rootless/accel/rlAccel.c new file mode 100644 index 000000000..7dedd8dbc --- /dev/null +++ b/miext/rootless/accel/rlAccel.c @@ -0,0 +1,97 @@ +/* + * Support for accelerated rootless code + */ +/* + * Copyright (c) 2004 Torrey T. Lyons. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name(s) of the above copyright + * holders shall not be used in advertising or otherwise to promote the sale, + * use or other dealings in this Software without prior written authorization. + */ +/* $XdotOrg: $ */ + +#include "rootless.h" +#include "rlAccel.h" + +typedef struct _rlAccelScreenRec { + CreateGCProcPtr CreateGC; +} rlAccelScreenRec, *rlAccelScreenPtr; + +static int rlAccelScreenPrivateIndex = -1; + +#define RLACCELREC(pScreen) \ + ((rlAccelScreenRec *)(pScreen)->devPrivates[rlAccelScreenPrivateIndex].ptr) + + +/* + * Screen function to create a graphics context + */ +static Bool +rlCreateGC(GCPtr pGC) +{ + ScreenPtr pScreen = pGC->pScreen; + rlAccelScreenRec *s = RLACCELREC(pScreen); + Bool result; + + // Unwrap and call + pScreen->CreateGC = s->CreateGC; + result = s->CreateGC(pGC); + + // Accelerated GC ops replace some ops + pGC->ops->FillSpans = rlFillSpans; + pGC->ops->CopyArea = rlCopyArea; + pGC->ops->PolyFillRect = rlPolyFillRect; + pGC->ops->ImageGlyphBlt = rlImageGlyphBlt; + + // Rewrap + s->CreateGC = pScreen->CreateGC; + pScreen->CreateGC = rlCreateGC; + + return result; +} + + +/* + * RootlessAccelInit + * Called by the rootless implementation to initialize accelerated + * rootless drawing. + */ +Bool +RootlessAccelInit(ScreenPtr pScreen) +{ + static unsigned long rlAccelGeneration = 0; + rlAccelScreenRec *s; + + if (rlAccelGeneration != serverGeneration) { + rlAccelScreenPrivateIndex = AllocateScreenPrivateIndex(); + if (rlAccelScreenPrivateIndex == -1) return FALSE; + } + + s = xalloc(sizeof(rlAccelScreenRec)); + if (!s) return FALSE; + RLACCELREC(pScreen) = s; + + // Wrap the one screen function we need + s->CreateGC = pScreen->CreateGC; + pScreen->CreateGC = rlCreateGC; + + return TRUE; +} diff --git a/miext/rootless/accel/rlAccel.h b/miext/rootless/accel/rlAccel.h index dab0c6f46..b1488bdef 100644 --- a/miext/rootless/accel/rlAccel.h +++ b/miext/rootless/accel/rlAccel.h @@ -28,6 +28,8 @@ */ /* $XFree86: xc/programs/Xserver/miext/rootless/rootlessCommon.c,v 1.4 2003/10/18 00:00:34 torrey Exp $ */ +#include "fb.h" + /* * rlBlt.c */ |